Ben-David, Sheffi
Current rating: 1617
Record: 20-15
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Leblanc, Rene (1441) | Won 2-0 | +161607 |
| 2sealed | 128 | Gilbert, Alex (1518) | Lost 0-2 | -201587 |
| 3sealed | 307 | Marshall, Craig (1476) | Won 2-0 | +161603 |
| 4sealed | 310 | Hicks, Steven (1575) | Lost 1-2 | -181585 |
| 5sealed | 293 | Lavoie, Philippe (1566) | Won 2-0 | +171602 |
| 6sealed | 247 | Struck, Michael (1568) | Won 2-0 | +181620 |
| 7sealed | 146 | Gonzalez, Kevin (1657) | Won 2-1 | +181638 |
| 8sealed | 90 | Liang, Johnson (1533) | Won 2-0 | +161654 |
| 9sealed | 89 | Schnayer, David (1782) | Lost 0-2 | -151639 |
| 10draft | 145 | St. John, Malcolm (1556) | Lost 1-2 | -201619 |
| 11draft | 144 | Boudreau, David (1533) | Won 2-0 | +171636 |
| 13draft | 196 | St. John, Malcolm (1578) | Lost 0-2 | -191617 |
| top | average opponent: 1565record: 7-5 | new rating: 1617 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 371 | Keefe, William (1401) | Won 2-0 | +161523 |
| 2modern | 173 | Tardif, Joe (1410) | Won 2-0 | +161539 |
| 3modern | 255 | Kozack, Nicholas (1535) | Won 2-0 | +181557 |
| 4modern | 147 | Rubin, Benjamin (1925) | Lost 0-2 | -121545 |
| 5modern | 253 | Hanlon, Grant (1493) | Lost 0-2 | -191526 |
| 6modern | 272 | Leonard, Braden (1526) | Won 2-1 | +181544 |
| 7modern | 215 | Harrod, James (1533) | Won 2-1 | +181562 |
| 8modern | 128 | Elsik, Zac (1783) | Won 2-0 | +221584 |
| 9modern | 97 | Syed, Zan (1831) | Lost 0-2 | -141570 |
| 10modern | 134 | Davis, Peter (1635) | Won 2-1 | +191589 |
| 11modern | 79 | Boudreau, Stephen (1539) | Won 2-0 | +181607 |
| 12modern | 76 | Weber, Ethan (1763) | Lost 0-2 | -161591 |
| top | average opponent: 1615record: 8-4 | new rating: 1591 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 361 | Savelli, Anthony (1500) | Won 2-0 | +191485 |
| 2standard | 273 | Tung, Joseph (1492) | Won 2-1 | +181503 |
| 3standard | 14 | Hopcroft, Bob (1538) | Won 2-1 | +181521 |
| 4standard | 143 | McLaren, Shaun (1925) | Lost 0-2 | -111510 |
| 5standard | 237 | Chou, Willis (1479) | Won 2-1 | +181528 |
| 6standard | 141 | Siow, Lucas (1953) | Lost 1-2 | -111517 |
| 7standard | 177 | Lax, Ari (1958) | Lost 0-2 | -101507 |
| top | average opponent: 1692record: 4-3 | new rating: 1507 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Matteau, Jean-Philippe (1552) | Lost 1-2 | -171483 |
| 2sealed | 338 | Daigle, Bryce (1481) | Won 2-0 | +181501 |
| 3sealed | 405 | Mallette-Vanier, Guillaume (1600) | Lost 1-2 | -161485 |
| 4sealed | 479 | Liu, Chang (1447) | Lost 1-2 | -191466 |
| top | average opponent: 1520record: 1-3 | new rating: 1466 | ||